Chapter 37
Molecules
Conceptual Problems
1
[SSM]
Would you expect NaCl to be polar or nonpolar?
Determine the Concept Yes. Because the center of charge of the positive Na ion
does not coincide with the center of charge for the negative Cl ion, the NaCl
mo
Chapter 8
Conservation of Linear Momentum
Conceptual Problems
1
[SSM] Show that if two particles have equal kinetic energies, the
magnitudes of their momenta are equal only if they have the same mass.
Determine the Concept The kinetic energy of a particle
Chapter 41
Elementary Particles and the Beginning of the Universe
Conceptual Problems
1
How are baryons and mesons similar? How are they different?
Similarities
Differences
Baryons and mesons are hadrons, i.e.,
they participate in the strong
interaction.
Chapter 40
Nuclear Physics
Conceptual Problems
Isotopes of nitrogen, iron and tin have stable isotopes 14N, 56Fe and
118
Sn. Give the symbols for two other isotopes of (a) nitrogen, (b) iron, and
(c) tin.
1
Determine the Concept Two or more nuclides with
Chapter 39
Relativity
Conceptual Problems
1
[SSM] The approximate total energy of a particle of mass m moving
at speed u < c is (a) m c2 + 1 mu 2 , (b) 1 mu 2 , (c) cmu, (d) mc2, (e) 1 cmu .
2
2
2
Determine the Concept The total relativistic energy E of a
Chapter 38
Solids
Conceptual Problems
1
In the classical model of conduction, the electron loses energy on
average during a collision because it loses the drift velocity it had acquired since
the last collision. Where does this energy appear?
Determine th
Chapter 36
Atoms
Conceptual Problems
1
For the hydrogen atom, as n increases, does the spacing of adjacent
energy levels on an energy-level diagram increase or decrease?
Determine the Concept Examination of Figure 35-4 indicates that as n increases,
the s
Chapter 35
Applications of the Schrdinger Equation
Conceptual Problems
1
Sketch (a) the wave function and (b) the probability density function
for the n = 5 state of the finite square-well potential.
Determine the Concept Looking at the graphs in the text
Chapter 34
Wave-Particle Duality and Quantum Physics
Conceptual Problems
1
[SSM] The quantized character of electromagnetic radiation is
observed by (a) the Young double-slit experiment, (b) diffraction of light by a
small aperture, (c) the photoelectric
Chapter 33
Interference and Diffraction
Conceptual Problems
1
A phase difference due to path-length difference is observed for
monochromatic visible light. Which phase difference requires the least
(minimum) path length difference? (a) 90o (b) 180o (c) 27
Chapter 32
Optical Images
Conceptual Problems
1
Can a virtual image be photographed? If so, give an example. If not,
explain why.
Determine the Concept Yes. Note that a virtual image is seen because the eye
focuses the diverging rays to form a real image
Chapter 31
Properties of Light
Conceptual Problems
1
[SSM] A ray of light reflects from a plane mirror. The angle
between the incoming ray and the reflected ray is 70. What is the angle of
reflection? (a) 70, (b) 140, (c) 35, (d) Not enough information is
Chapter 30
Maxwells Equations and Electromagnetic Waves
Conceptual Problems
(a)
(b)
The displacement current has different units than the conduction current.
Displacement current only exists if the electric field in the region is
changing with time.
In an
Chapter 29
Alternating-Current Circuits
Conceptual Problems
1
A coil in an ac generator rotates at 60 Hz. How much time elapses
between successive peak emf values of the coil?
Determine the Concept Successive peaks are one-half period apart. Hence the
1
1
Chapter 28
Magnetic Induction
Conceptual Problems
1
[SSM] (a) The magnetic equator is a line on the surface of
Earth on which Earths magnetic field is horizontal. At the magnetic
equator, how would you orient a flat sheet of paper so as to create the
maxi
Chapter 27
Sources of the Magnetic Field
Conceptual Problems
1
Sketch the field lines for the electric dipole and the magnetic dipole
shown in Figure 27-47. How do the field lines differ in appearance close to the
center of each dipole?
Picture the Proble
Chapter 26
The Magnetic Field
Conceptual Problems
1
[SSM] When the axis of a cathode-ray tube is horizontal in a region
in which there is a magnetic field that is directed vertically upward, the electrons
emitted from the cathode follow one of the dashed
Chapter 25
Electric Current and Direct-Current Circuits
Conceptual Problems
1
In our study of electrostatics, we concluded that no electric field exists
within the material of a conductor in electrostatic equilibrium. Why can we
discuss electric fields wi
Chapter 24
Capacitance
Conceptual Problems
1
If the voltage across a parallel-plate capacitor is doubled, its
capacitance (a) doubles (b) drops by half (c) remains the same.
Determine the Concept The capacitance of a parallel-plate capacitor is a
function
Chapter 23
Electrical Potential
Conceptual Problems
1
[SSM] A proton is moved to the left in a uniform electric field that
points to the right. Is the proton moving in the direction of increasing or
decreasing electric potential? Is the electrostatic pote
Chapter 22
The Electric Field 2: Continuous Charge
Distributions
Conceptual Problems
1
[SSM] Figure 22-37 shows an L-shaped object that has sides that are
equal in length. Positive charge is distributed uniformly along the length of the
object. What is th
Chapter 21
The Electric Field 1: Discrete Charge Distributions
Conceptual Problems
1
Objects are composed of atoms which are composed of charged
particles (protons and electrons); however, we rarely observe the effects of the
electrostatic force. Explain
Chapter 20
Thermal Properties and Processes
Conceptual Problems
1
Why does the mercury level of a thermometer first decrease slightly
when the thermometer is first placed in warm water?
Determine the Concept The glass bulb warms and expands first, before
Chapter 19
The Second Law of Thermodynamics
Conceptual Problems
1
Modern automobile gasoline engines have efficiencies of about 25%.
About what percentage of the heat of combustion is not used for work but
released as heat? (a) 25%, (b) 50%, (c) 75%, (d)
Chapter 18
Heat and the First Law of Thermodynamics
Conceptual Problems
1
Object A has a mass that is twice the mass of object B and object A
has a specific heat that is twice the specific heat of object B. If equal amounts of
heat are transferred to thes
Chapter 17
Temperature and the Kinetic Theory of Gases
Conceptual Problems
True or false:
1
(a)
The zeroth law of thermodynamics states that two objects in thermal
equilibrium with each other must be in thermal equilibrium with a third
object.
The Fahrenh
Chapter 16
Superposition and Standing Waves
Conceptual Problems
1
[SSM] Two rectangular wave pulses are traveling in opposite
directions along a string. At t = 0, the two pulses are as shown in Figure 16-29.
Sketch the wave functions for t = 1.0, 2.0, and
Chapter 15
Traveling Waves
Conceptual Problems
1
[SSM] A rope hangs vertically from the ceiling. A pulse is sent up
the rope. Does the pulse travel faster, slower, or at a constant speed as it moves
toward the ceiling? Explain your answer.
Determine the C
Chapter 14
Oscillations
Conceptual Problems
1
(a)
For a simple harmonic oscillator, the period is proportional to the square of
the amplitude.
For a simple harmonic oscillator, the frequency does not depend on the
amplitude.
If the net force on a particle
Chapter 13
Fluids
Conceptual Problems
1
If the gauge pressure is doubled, the absolute pressure will be
(a) halved, (b) doubled, (c) unchanged, (d) increased by a factor greater than 2,
(e) increased by a factor less than 2.
Determine the Concept The abso